Plutonian Acquisition Corp. II (Nasdaq: PLUN) is a blank-check special purpose acquisition company that filed an amended S-1 registration statement with the SEC on March 20, 2026, under accession number 0001477932-26-001513, advancing its IPO process. The "II" designation signals that the Plutonian management team has previously sponsored at least one prior SPAC vehicle, reflecting the serial-sponsor structure common among experienced SPAC operators. The company is organized as a general-purpose acquisition vehicle without a stated sector restriction, giving its management team flexibility to pursue merger targets across industries. Visit SpacDesk and create a free account to access the full filing history, deal timeline, and comparable SPAC data for Plutonian Acquisition Corp. II.